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How come a non-const reference cannot bind to a temporary object?
...built-in types (int etc.), but it is allowed for user-defined types: (std::string("A")+"B").append("C").
– sbi
Oct 14 '09 at 16:51
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How to use '-prune' option of 'find' in sh?
...ge.org/UsingFind)
Just noticed -path is for a path that fully matches the string/path that comes just after find (. in theses examples) where as -name matches all basenames.
find . -path ./.git -prune -o -name file -print
blocks the .git directory in your current directory ( as your finding in...
Use email address as primary key?
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String comparison is slower than int comparison. However, this does not matter if you simply retrieve a user from the database using the e-mail address. It does matter if you have complex queries with multiple joins.
If you ...
A simple command line to download a remote maven2 artifact to the local repository?
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Extra helpful for showing how to get the dependency plugin itself installed.
– Sergio Acosta
Apr 18 '10 at 6:49
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Angularjs if-then-else construction in expression
...es, I know about this functionality it could help, but I don't want to add extra div to the document. but also thanks
– IgorCh
May 16 '13 at 13:03
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How do I “source” something in my .vimrc file?
...I know just put everything in _vimrc.
A good practice is to keep all your extra files (plugins, colorschemes, snippets ...) in a separate (your own) vimfiles directory (which you can take with you).
If you do
:help vimfiles
vim will tell your vimfiles directory should be located. It depends som...
Git “error: The branch 'x' is not fully merged”
...here is to just force the deletion instead, but you might want to have the extra reassurance).
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If unit testing is so great, why aren't more companies doing it? [closed]
... students are not trained for it.
It's easy when you are writing your own string class. When you are testing a real-life product, you run into challenges that nobody told you about in the powerpoint slides:
User interaction. Half of your application is the user interface logic. How do you test it...
How to produce a range with step n in bash? (generate a sequence of numbers with increments)
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Pure Bash, without an extra process:
for (( COUNTER=0; COUNTER<=10; COUNTER+=2 )); do
echo $COUNTER
done
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How to show and update echo on same line
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The rest of answers are pretty good, but just wanted to add some extra information in case someone comes here looking for a solution to replace/update a multiline echo.
So I would like to share an example with you all. The following script was tried on a CentOS system and uses "timedatec...